#include "EXProjectView.h"

#include "EXIndexView.h"
#include "EXDataView.h"

#include "ProjectManager.h"

#include <dbService/ClassSet.h>
#include <common/QFDIcon.h>

#include <Widgets/Button.h>
#include <Widgets/LineEdit.h>
#include <Widgets/TreeView.h>

#include <QBoxLayout>
#include <QLabel>
#include <QStackedWidget>
#include <QPushButton>

#include <QDebug>

EXProjectView::EXProjectView(ProjectInfo *proj, QWidget *parent) : QWidget(parent), m_proj(proj)
{
    initWidgets();
    initLayout();
    connectSigalsAndSlots();
    if (m_tree->topLevelItemCount() > 0) {
        itemClicked(m_tree->topLevelItem(0), 0);
    }
}

void EXProjectView::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
}

void EXProjectView::hideEvent(QHideEvent *event)
{
    QWidget::hideEvent(event);
}

ProjectInfo *EXProjectView::proj() const
{
    return m_proj;
}

void EXProjectView::showEvalWidget(int eval, int task)
{
    m_stack->setCurrentIndex(task);
    m_export->setVisible(task == 1);
    EXEvalView *w = (EXEvalView *)m_stack->widget(task);
    w->setType(eval);

    ProjectManager::EvalType type = (ProjectManager::EvalType)eval;

    qDebug() << __FUNCTION__ << __LINE__ << type;
}

void EXProjectView::initWidgets()
{
    m_title = new QLabel(this);
    m_title->setText(m_proj->projectName);
    QFont ft("Microsoft YaHei", 14);
    m_title->setFont(ft);
    m_tree = new TreeWidget(this);

    // 根据评估类型添加列表条目
    QList<ProjectManager::EvalType> types = ProjectManager::evalTypeList(*m_proj);
    for (int i = 0; i < types.count(); i++) {
        QString typeName      = ProjectManager::nameOfEvalType(types[i]);
        QTreeWidgetItem *item = new QTreeWidgetItem({ typeName });
        Qt::ItemFlags f       = item->flags() ^ Qt::ItemIsSelectable;
        item->setFlags(f);  // 设置 topLevelItem 不可选中

        item->addChildren({ new QTreeWidgetItem({ "指标体系" }), new QTreeWidgetItem({ "数据采集" }) });
        m_tree->addTopLevelItem(item);
    }

    m_tree->expandAll();
    m_tree->setHeaderHidden(true);
    m_tree->setFixedWidth(200);

    // 分割线
    m_seperator = new QWidget(this);
    m_seperator->setFixedWidth(1);
    QPalette pal(m_seperator->palette());
    pal.setColor(QPalette::Background, QColor("#aaaaaa"));
    m_seperator->setAutoFillBackground(true);
    m_seperator->setPalette(pal);

    m_stack = new QStackedWidget(this);

    m_indexSystem    = new EXIndexView(m_proj, m_stack);
    m_dataCollection = new EXDataView(m_proj, m_stack);

    m_stack->addWidget(m_indexSystem);
    m_stack->addWidget(m_dataCollection);

    m_export = new PushButton("导出", this);
    m_user   = new PushButton("user");
    m_user->setHidden(true);
}

void EXProjectView::initLayout()
{
    m_layout       = new QVBoxLayout(this);
    m_headerLayout = new QHBoxLayout();
    m_layout->addLayout(m_headerLayout);
    m_contentLayout = new QHBoxLayout();
    m_layout->addLayout(m_contentLayout);

    m_headerLayout->addWidget(m_title);
    m_headerLayout->addSpacing(20);
    m_headerLayout->addStretch();
    m_headerLayout->addWidget(m_export);
    m_headerLayout->addWidget(m_user);

    m_contentLayout->addWidget(m_tree);
    m_contentLayout->addWidget(m_seperator);
    m_contentLayout->addWidget(m_stack);
}

void EXProjectView::connectSigalsAndSlots()
{
    connect(m_tree, &TreeWidget::itemClicked, this, &EXProjectView::itemClicked);
    connect(m_export, &PushButton::clicked, m_dataCollection, &EXDataView::slotExportData);
    connect(m_dataCollection, &EXDataView::signalCompleteStateChanged, this, &EXProjectView::slotCompleteStateChanged);
}

void EXProjectView::itemClicked(QTreeWidgetItem *item, int column)
{
    Q_UNUSED(column)

    int typeIndex = m_tree->indexOfTopLevelItem(item);  // 评估类型, 一级条目
    int taskIndex = -1;                                 // 评估事项, 二级条目
    if (typeIndex < 0) {
        typeIndex = m_tree->indexOfTopLevelItem(item->parent());
        taskIndex = item->parent()->indexOfChild(item);
    }

    // 点击一级条目时, 选中其首个子条目
    if (taskIndex < 0) {
        taskIndex = 0;
        item->child(taskIndex)->setSelected(true);
    }

    ProjectManager::EvalType eval = ProjectManager::evalTypeList(*m_proj)[typeIndex];
    QString typeName              = ProjectManager::nameOfEvalType(eval);

    showEvalWidget(eval, taskIndex);
}

void EXProjectView::slotCompleteStateChanged(bool complete)
{
    m_export->setEnabled(complete);
    m_export->setToolTip(complete ? "导出评估数据" : "请将该评估类型的数据补充完整后再导出");
}